Kelsien, the Plague (Commander) - Expensive Core

Alternate Names:

Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor

Kelsien, the Plague
Rank #421
75decks
As CommanderAs CardAverage DeckDecksView Precon
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Background image for Rebuilding Kelsien, the Plague with Avatar: The Last Airbender Eternal
Ezra Sassaman
Nov 20, 2025
Ezra Sassaman
Rebuilding Kelsien, the Plague with Avatar: The Last Airbender Eternal
Avatar: The Last Airbender is bringing back experience counters, and that means that we can revamp Kelsien, the Plague.
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Basilisk Collar
97%inclusion73 decks75 decks
93%synergy
Mari, the Killing Quill
83%inclusion62 decks75 decks
76%synergy
Drumbellower
77%inclusion58 decks75 decks
75%synergy
Rune of Mortality
76%inclusion57 decks75 decks
75%synergy
Otharri, Suns' Glory
79%inclusion59 decks75 decks
73%synergy
Vorpal Sword
75%inclusion56 decks75 decks
72%synergy
Gorgon's Head
71%inclusion53 decks75 decks
69%synergy
Thornbite Staff
69%inclusion52 decks75 decks
68%synergy
Minthara, Merciless Soul
69%inclusion52 decks75 decks
68%synergy
Sting, the Glinting Dagger
64%inclusion48 decks75 decks
62%synergy
Top Cards
Morbid Opportunist
72%inclusion54 decks75 decks
54%synergy
Shadowspear
64%inclusion48 decks75 decks
60%synergy
Falthis, Shadowcat Familiar
60%inclusion45 decks75 decks
59%synergy
Shay Cormac
60%inclusion42 decks70 decks
57%synergy
White Plume Adventurer
51%inclusion38 decks75 decks
49%synergy
Maha, Its Feathers Night
50%inclusion35 decks70 decks
49%synergy
General's Enforcer
48%inclusion36 decks75 decks
40%synergy
Ruinous Ultimatum
47%inclusion35 decks75 decks
7%synergy
You Are Already Dead
47%inclusion35 decks75 decks
45%synergy
Humble Defector
47%inclusion35 decks75 decks
44%synergy
Game Changers
Teferi's Protection
17%inclusion13 decks75 decks
-3%synergy
Farewell
13%inclusion10 decks75 decks
2%synergy
Orcish Bowmasters
13%inclusion10 decks75 decks
8%synergy
Creatures
Daxos the Returned
45%inclusion34 decks75 decks
45%synergy
Mother of Runes
43%inclusion32 decks75 decks
35%synergy
Goblin Sharpshooter
43%inclusion32 decks75 decks
42%synergy
Magda, the Hoardmaster
40%inclusion29 decks73 decks
38%synergy
Taii Wakeen, Perfect Shot
37%inclusion27 decks73 decks
36%synergy
Termination Facilitator
36%inclusion27 decks75 decks
34%synergy
Kalemne, Disciple of Iroas
36%inclusion27 decks75 decks
35%synergy
Puresteel Paladin
32%inclusion24 decks75 decks
28%synergy
Esper Sentinel
31%inclusion23 decks75 decks
12%synergy
Slaughter Specialist
31%inclusion23 decks75 decks
30%synergy
Stoneforge Mystic
29%inclusion22 decks75 decks
27%synergy
Mathas, Fiend Seeker
28%inclusion21 decks75 decks
26%synergy
Ertha Jo, Frontier Mentor
27%inclusion20 decks73 decks
27%synergy
Lae'zel, Vlaakith's Champion
27%inclusion20 decks75 decks
25%synergy
Harvester of Souls
24%inclusion18 decks75 decks
21%synergy
Massacre Girl, Known Killer
24%inclusion18 decks75 decks
22%synergy
Archetype of Finality
24%inclusion18 decks75 decks
23%synergy
Athreos, Shroud-Veiled
23%inclusion17 decks75 decks
21%synergy
Giver of Runes
21%inclusion16 decks75 decks
19%synergy
Void Beckoner
21%inclusion16 decks75 decks
21%synergy
Sun Titan
21%inclusion16 decks75 decks
11%synergy
Akiri, Fearless Voyager
21%inclusion16 decks75 decks
19%synergy
Blood Cultist
19%inclusion14 decks75 decks
18%synergy
Marvin, Murderous Mimic
18%inclusion12 decks65 decks
17%synergy
Cunning Sparkmage
16%inclusion12 decks75 decks
16%synergy
Kratos, Stoic Father
16%inclusion4 decks25 decks
16%synergy
Zagras, Thief of Heartbeats
16%inclusion12 decks75 decks
15%synergy
Sram, Senior Edificer
15%inclusion11 decks75 decks
12%synergy
Assault Intercessor
15%inclusion11 decks75 decks
14%synergy
Ankle Shanker
15%inclusion11 decks75 decks
11%synergy
Bureau Headmaster
13%inclusion9 decks70 decks
12%synergy
Deathbringer Thoctar
12%inclusion9 decks75 decks
12%synergy
Witch Enchanter
11%inclusion8 decks72 decks
5%synergy
Gisa, Glorious Resurrector
11%inclusion8 decks75 decks
10%synergy
Clackbridge Troll
11%inclusion8 decks75 decks
10%synergy
Qarsi Revenant
11%inclusion4 decks38 decks
8%synergy
Aang, Airbending Master
10%inclusion3 decks30 decks
9%synergy
Metastatic Evangel
10%inclusion7 decks72 decks
9%synergy
Tor Wauki the Younger
9.3%inclusion7 decks75 decks
9%synergy
Grateful Apparition
9.3%inclusion7 decks75 decks
9%synergy
Weathered Wayfarer
9.3%inclusion7 decks75 decks
8%synergy
Vulshok Sorcerer
9.3%inclusion7 decks75 decks
9%synergy
Royal Assassin
9.3%inclusion7 decks75 decks
6%synergy
Queen Marchesa
9.3%inclusion7 decks75 decks
3%synergy
Codsworth, Handy Helper
9.3%inclusion7 decks75 decks
9%synergy
Cloud, Midgar Mercenary
9.1%inclusion3 decks33 decks
8%synergy
Azula, Ruthless Firebender
8.7%inclusion2 decks23 decks
8%synergy
Rev, Tithe Extractor
8.5%inclusion5 decks59 decks
6%synergy
Blood Artist
8.0%inclusion6 decks75 decks
-10%synergy
Torbran, Thane of Red Fell
8.0%inclusion6 decks75 decks
8%synergy
Instants
Swords to Plowshares
44%inclusion33 decks75 decks
-18%synergy
Boros Charm
43%inclusion32 decks75 decks
13%synergy
Anguished Unmaking
43%inclusion32 decks75 decks
9%synergy
Mirrodin Avenged
33%inclusion25 decks75 decks
33%synergy
Path to Exile
28%inclusion21 decks75 decks
-19%synergy
Crackling Doom
28%inclusion21 decks75 decks
11%synergy
Stroke of Midnight
27%inclusion20 decks75 decks
15%synergy
Fracture
27%inclusion20 decks75 decks
21%synergy
Flawless Maneuver
25%inclusion19 decks75 decks
11%synergy
Despark
23%inclusion17 decks75 decks
8%synergy
Generous Gift
21%inclusion16 decks75 decks
3%synergy
Deflecting Swat
21%inclusion16 decks75 decks
6%synergy
Malakir Rebirth
20%inclusion15 decks75 decks
15%synergy
Wear // Tear
16%inclusion12 decks75 decks
4%synergy
Offer Immortality
16%inclusion12 decks75 decks
15%synergy
Chaos Warp
13%inclusion10 decks75 decks
-3%synergy
Bladebrand
13%inclusion10 decks75 decks
13%synergy
Dawn's Truce
13%inclusion9 decks70 decks
6%synergy
Fell the Profane
11%inclusion8 decks72 decks
5%synergy
Bedevil
11%inclusion8 decks75 decks
4%synergy
Redirect Lightning
10%inclusion3 decks30 decks
4%synergy
Deflecting Palm
9.3%inclusion7 decks75 decks
3%synergy
Mortify
9.3%inclusion7 decks75 decks
-6%synergy
Sejiri Shelter
9.3%inclusion7 decks75 decks
7%synergy
Volt Charge
8.0%inclusion6 decks75 decks
8%synergy
Rakdos Charm
8.0%inclusion6 decks75 decks
-1%synergy
Terminate
8.0%inclusion6 decks75 decks
-4%synergy
Virulent Swipe
8.0%inclusion6 decks75 decks
8%synergy
Legion Leadership
6.9%inclusion5 decks72 decks
3%synergy
Deadly Rollick
6.7%inclusion5 decks75 decks
-4%synergy
Clever Concealment
6.7%inclusion5 decks75 decks
3%synergy
Tibalt's Trickery
6.7%inclusion5 decks75 decks
3%synergy
Valakut Awakening
6.7%inclusion5 decks75 decks
4%synergy
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-7%synergy
Restoration Magic
6.3%inclusion2 decks32 decks
4%synergy
Final Showdown
5.5%inclusion4 decks73 decks
3%synergy
Fire Covenant
5.3%inclusion4 decks75 decks
4%synergy
Disenchant
5.3%inclusion4 decks75 decks
3%synergy
Bolt Bend
5.3%inclusion4 decks75 decks
4%synergy
Touch of Moonglove
5.3%inclusion4 decks75 decks
5%synergy
Galadriel's Dismissal
5.3%inclusion4 decks75 decks
4%synergy
Battle-Rage Blessing
5.3%inclusion4 decks75 decks
5%synergy
Utter End
5.3%inclusion4 decks75 decks
1%synergy
Alesha's Legacy
5.3%inclusion2 decks38 decks
4%synergy
Sorceries
Open the Armory
40%inclusion30 decks75 decks
36%synergy
Mythos of Snapdax
32%inclusion24 decks75 decks
26%synergy
Call of the Death-Dweller
29%inclusion22 decks75 decks
29%synergy
Painful Truths
25%inclusion19 decks75 decks
17%synergy
Night's Whisper
25%inclusion19 decks75 decks
12%synergy
Vandalblast
25%inclusion19 decks75 decks
15%synergy
Blasphemous Act
25%inclusion19 decks75 decks
3%synergy
Steelshaper's Gift
24%inclusion18 decks75 decks
21%synergy
Read the Bones
21%inclusion16 decks75 decks
12%synergy
Sign in Blood
17%inclusion13 decks75 decks
9%synergy
Vindicate
16%inclusion12 decks75 decks
10%synergy
Sevinne's Reclamation
16%inclusion12 decks75 decks
8%synergy
Toxic Deluge
15%inclusion11 decks75 decks
6%synergy
Damn
13%inclusion10 decks75 decks
-5%synergy
Faithless Looting
13%inclusion10 decks75 decks
-2%synergy
Drown in Ichor
12%inclusion9 decks75 decks
12%synergy
Chandra's Ignition
11%inclusion8 decks75 decks
9%synergy
Single Combat
9.3%inclusion7 decks75 decks
8%synergy
Reanimate
8.0%inclusion6 decks75 decks
-9%synergy
Unearth
8.0%inclusion6 decks75 decks
6%synergy
Divine Reckoning
6.7%inclusion5 decks75 decks
6%synergy
Unfinished Business
6.7%inclusion5 decks75 decks
6%synergy
Tempt with Bunnies
5.7%inclusion4 decks70 decks
5%synergy
Seize the Day
5.3%inclusion4 decks75 decks
4%synergy
Feed the Swarm
5.3%inclusion4 decks75 decks
0%synergy
Wrath of God
5.3%inclusion4 decks75 decks
1%synergy
Rip Apart
5.3%inclusion4 decks75 decks
4%synergy
Utility Artifacts
Magewright's Stone
47%inclusion35 decks75 decks
46%synergy
Gorgon Flail
45%inclusion34 decks75 decks
44%synergy
Swiftfoot Boots
44%inclusion33 decks75 decks
12%synergy
Illusionist's Bracers
40%inclusion30 decks75 decks
38%synergy
Thousand-Year Elixir
35%inclusion26 decks75 decks
34%synergy
Quietus Spike
33%inclusion25 decks75 decks
32%synergy
Mithril Coat
32%inclusion24 decks75 decks
26%synergy
Hunter's Blowgun
20%inclusion15 decks75 decks
19%synergy
Glaring Spotlight
19%inclusion14 decks75 decks
18%synergy
Lightning Greaves
17%inclusion13 decks75 decks
-17%synergy
Sword of Truth and Justice
17%inclusion13 decks75 decks
17%synergy
Battlemage's Bracers
17%inclusion13 decks75 decks
17%synergy
Wayfarer's Bauble
13%inclusion10 decks75 decks
5%synergy
Brotherhood Regalia
13%inclusion9 decks70 decks
10%synergy
Robe of Stars
12%inclusion9 decks75 decks
11%synergy
Whispersilk Cloak
11%inclusion8 decks75 decks
5%synergy
Halo Fountain
11%inclusion8 decks75 decks
10%synergy
The Masamune
9.4%inclusion3 decks32 decks
9%synergy
Haystack
9.3%inclusion7 decks75 decks
8%synergy
Nazgûl Battle-Mace
9.3%inclusion7 decks75 decks
9%synergy
Sword of the Animist
9.3%inclusion7 decks75 decks
0%synergy
Hammer of Nazahn
9.3%inclusion7 decks75 decks
7%synergy
Sword of Hearth and Home
8.0%inclusion6 decks75 decks
5%synergy
Scythe of the Wretched
8.0%inclusion6 decks75 decks
8%synergy
Helm of the Host
8.0%inclusion6 decks75 decks
2%synergy
Sword of Feast and Famine
6.7%inclusion5 decks75 decks
3%synergy
Hidden Blade
6.7%inclusion5 decks75 decks
6%synergy
Mask of Griselbrand
6.7%inclusion5 decks75 decks
5%synergy
The Seriema
6.5%inclusion2 decks31 decks
5%synergy
Embercleave
5.3%inclusion4 decks75 decks
2%synergy
Conqueror's Flail
5.3%inclusion4 decks75 decks
4%synergy
Sword of Forge and Frontier
5.3%inclusion4 decks75 decks
4%synergy
Contagion Engine
5.3%inclusion4 decks75 decks
5%synergy
Loxodon Warhammer
5.3%inclusion4 decks75 decks
3%synergy
Umbral Mantle
5.3%inclusion4 decks75 decks
5%synergy
Tome of Legends
5.3%inclusion4 decks75 decks
5%synergy
Enchantments
Gift of Doom
47%inclusion35 decks75 decks
46%synergy
Fighter Class
41%inclusion31 decks75 decks
38%synergy
All-Out Assault
37%inclusion14 decks38 decks
25%synergy
Black Market Connections
35%inclusion26 decks75 decks
19%synergy
Phyrexian Arena
33%inclusion25 decks75 decks
15%synergy
Revel in Riches
28%inclusion21 decks75 decks
21%synergy
Dazzling Theater // Prop Room
27%inclusion17 decks64 decks
25%synergy
Reconnaissance
24%inclusion18 decks75 decks
13%synergy
Sigarda's Aid
23%inclusion17 decks75 decks
20%synergy
At Knifepoint
22%inclusion16 decks73 decks
20%synergy
Aspect of Gorgon
20%inclusion15 decks75 decks
20%synergy
Forge Anew
17%inclusion13 decks75 decks
15%synergy
Black Market
17%inclusion13 decks75 decks
12%synergy
Agent of the Shadow Thieves
17%inclusion13 decks75 decks
17%synergy
Gift of Immortality
13%inclusion10 decks75 decks
12%synergy
Death Pits of Rath
13%inclusion10 decks75 decks
13%synergy
Land Tax
12%inclusion9 decks75 decks
6%synergy
Retreat to Hagra
11%inclusion8 decks75 decks
10%synergy
Grave Betrayal
9.3%inclusion7 decks75 decks
9%synergy
Spiteful Banditry
9.3%inclusion7 decks75 decks
7%synergy
Trouble in Pairs
8.0%inclusion6 decks75 decks
3%synergy
Ghoulish Impetus
6.7%inclusion5 decks75 decks
6%synergy
Phyrexian Reclamation
6.7%inclusion5 decks75 decks
4%synergy
Eye of Nidhogg
6.1%inclusion2 decks33 decks
5%synergy
Glasswing Grace
5.6%inclusion4 decks72 decks
4%synergy
Life Insurance
5.3%inclusion4 decks75 decks
3%synergy
Eternal Thirst
5.3%inclusion4 decks75 decks
5%synergy
Planeswalkers
Kaya, Geist Hunter
13%inclusion10 decks75 decks
9%synergy
Vraska, Betrayal's Sting
13%inclusion10 decks75 decks
13%synergy
Utility Lands
Vault of the Archangel
59%inclusion44 decks75 decks
36%synergy
Rogue's Passage
49%inclusion37 decks75 decks
26%synergy
Arcane Lighthouse
45%inclusion34 decks75 decks
44%synergy
Bojuka Bog
37%inclusion28 decks75 decks
6%synergy
Detection Tower
31%inclusion23 decks75 decks
30%synergy
Urborg, Tomb of Yawgmoth
31%inclusion23 decks75 decks
17%synergy
Shizo, Death's Storehouse
29%inclusion22 decks75 decks
22%synergy
Karn's Bastion
25%inclusion19 decks75 decks
24%synergy
Eiganjo, Seat of the Empire
20%inclusion15 decks75 decks
13%synergy
Reliquary Tower
16%inclusion12 decks75 decks
0%synergy
Urza's Saga
15%inclusion11 decks75 decks
10%synergy
Axgard Armory
12%inclusion9 decks75 decks
10%synergy
Sunhome, Fortress of the Legion
9.3%inclusion7 decks75 decks
6%synergy
Maze of Ith
9.3%inclusion7 decks75 decks
6%synergy
Takenuma, Abandoned Mire
8.0%inclusion6 decks75 decks
0%synergy
Command Beacon
8.0%inclusion6 decks75 decks
2%synergy
Hall of Heliod's Generosity
6.7%inclusion5 decks75 decks
5%synergy
Mana Artifacts
Arcane Signet
87%inclusion65 decks75 decks
1%synergy
Sol Ring
83%inclusion62 decks75 decks
-6%synergy
Patriar's Seal
68%inclusion51 decks75 decks
66%synergy
Talisman of Hierarchy
47%inclusion35 decks75 decks
6%synergy
Talisman of Indulgence
43%inclusion32 decks75 decks
6%synergy
Talisman of Conviction
41%inclusion31 decks75 decks
0%synergy
Rakdos Signet
40%inclusion30 decks75 decks
10%synergy
Orzhov Signet
39%inclusion29 decks75 decks
7%synergy
Boros Signet
33%inclusion25 decks75 decks
5%synergy
Fellwar Stone
23%inclusion17 decks75 decks
-5%synergy
Bounty Board
19%inclusion14 decks73 decks
17%synergy
Bandit's Haul
18%inclusion13 decks73 decks
17%synergy
Chromatic Lantern
13%inclusion10 decks75 decks
2%synergy
The Soul Stone
13%inclusion4 decks30 decks
11%synergy
Staff of Compleation
9.3%inclusion7 decks75 decks
9%synergy
Aetheric Amplifier
8.2%inclusion4 decks49 decks
8%synergy
Commander's Sphere
8.0%inclusion6 decks75 decks
-7%synergy
Mind Stone
6.7%inclusion5 decks75 decks
-2%synergy
Savai Crystal
5.3%inclusion4 decks75 decks
4%synergy
Lands
Plains
97%inclusion73 decks75 decks
2%synergy
Command Tower
96%inclusion72 decks75 decks
4%synergy
Swamp
96%inclusion72 decks75 decks
1%synergy
Mountain
95%inclusion71 decks75 decks
1%synergy
Blood Crypt
92%inclusion69 decks75 decks
48%synergy
Godless Shrine
91%inclusion68 decks75 decks
43%synergy
Sacred Foundry
88%inclusion66 decks75 decks
43%synergy
Vault of Champions
87%inclusion65 decks75 decks
54%synergy
Savai Triome
84%inclusion63 decks75 decks
46%synergy
Spectator Seating
84%inclusion63 decks75 decks
52%synergy
Luxury Suite
80%inclusion60 decks75 decks
48%synergy
Marsh Flats
72%inclusion54 decks75 decks
41%synergy
Arid Mesa
65%inclusion49 decks75 decks
34%synergy
Forbidden Orchard
63%inclusion47 decks75 decks
60%synergy
Bloodstained Mire
61%inclusion46 decks75 decks
29%synergy
Exotic Orchard
60%inclusion45 decks75 decks
8%synergy
Sundown Pass
52%inclusion39 decks75 decks
31%synergy
Nomad Outpost
48%inclusion36 decks75 decks
-10%synergy
Caves of Koilos
44%inclusion33 decks75 decks
5%synergy
Battlefield Forge
44%inclusion33 decks75 decks
4%synergy
Shattered Sanctum
43%inclusion32 decks75 decks
19%synergy
Haunted Ridge
43%inclusion32 decks75 decks
23%synergy
Isolated Chapel
37%inclusion28 decks75 decks
-15%synergy
Badlands
35%inclusion26 decks75 decks
22%synergy
Plateau
35%inclusion26 decks75 decks
23%synergy
Dragonskull Summit
33%inclusion25 decks75 decks
-19%synergy
Scrubland
33%inclusion25 decks75 decks
21%synergy
Clifftop Retreat
32%inclusion24 decks75 decks
-19%synergy
Sulfurous Springs
29%inclusion22 decks75 decks
2%synergy
Brightclimb Pathway
21%inclusion16 decks75 decks
12%synergy
Malakir Rebirth
20%inclusion15 decks75 decks
15%synergy
Needleverge Pathway
19%inclusion14 decks75 decks
11%synergy
Shadowy Backstreet
17%inclusion13 decks75 decks
7%synergy
Reflecting Pool
17%inclusion13 decks75 decks
10%synergy
Smoldering Marsh
16%inclusion12 decks75 decks
-20%synergy
Rugged Prairie
16%inclusion12 decks75 decks
-1%synergy
Blightstep Pathway
16%inclusion12 decks75 decks
8%synergy
Raucous Theater
16%inclusion12 decks75 decks
6%synergy
Plaza of Heroes
15%inclusion11 decks75 decks
11%synergy
Fetid Heath
15%inclusion11 decks75 decks
-6%synergy
Elegant Parlor
13%inclusion10 decks75 decks
4%synergy
Path of Ancestry
13%inclusion10 decks75 decks
-24%synergy
Prismatic Vista
13%inclusion10 decks75 decks
9%synergy
Mana Confluence
13%inclusion10 decks75 decks
4%synergy
City of Brass
13%inclusion10 decks75 decks
3%synergy
Shattered Landscape
13%inclusion9 decks72 decks
-7%synergy
Blazemire Verge
12%inclusion8 decks65 decks
1%synergy
Witch Enchanter
11%inclusion8 decks72 decks
5%synergy
Fell the Profane
11%inclusion8 decks72 decks
5%synergy
Fabled Passage
11%inclusion8 decks75 decks
3%synergy
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